# Math

## Recent Questions

**math**

n=0hrf solve for f?

**Math**

I need help with my math test systems of equations unit 7 lesson 8 connnextions test if i dont get a c or higher i get expelled PLZ HELP

**Math**

There are 24girls in a class of 40 pupils. What percccetage of the pupils are girls?,

**Math**

one elegant hotel has a grand dining room. each of the room's three walls facing the gardens contains 8 insulated windows. the dimensions of the window are shown. when the windows were insulated, a glaze was applied to the exterior face to seal each window from weather ...

**math**

Hello, so can someone please go to brainly and help me my username is minnielifton and my questions are recent and are about math and they are attachments so that's why I cant post it here.

**Math**

-9p minus 17=10 A)-3 B)16 C)18 D)-16

**Math**

Multiple Choice 1. Write the ratio in the simplest form. 45:15 (1 point) 9:3 3:1 1:3 4:1 2. Solve the following proportion. r over five equals nine over twenty-one (1 point) r = 2.14 r = 9 r = 11.66 r = 37.8 3. Sarah’s mother has a miniature village modeled after her home ...

**math**

What is the area of the region bounded by the x-axis and the lines x+y=24 and 3x-2y=12? Please show full solution and explanation

**math geometry**

A right circular cone has a base diameter of 10 and a height of 18. A second right circular cone has a base diameter of 15. If the volume of the second cone is equal to the volume of the first cone, then what is the height of the second cone? provide complete solution w ...

**math**

A right circular cone has a base diameter of 10 and a height of 18. A second right circular cone has a base diameter of 15. If the volume of the second cone is equal to the volume of the first cone, then what is the height of the second cone?

**math**

The Southeastern Conference (SEC), has fourteen universities, each of which fields a football team. The football teams are divided into two seven-team divisions. Each season, every team plays every other team in its division once, and also plays two teams from the other ...

**math probability**

Three cards are drawn at random without replacement from a standard fifty-two card deck of playing cards. What is the probability that among the three cards there is a pair or three of a kind? please provide complete solution with explanations:)

**math**

Ben can run six miles in forty-eight minutes. If Luke can run twenty percent faster than Ben, how many minutes will Luke take to run nine miles? Please provide COMPLETE solutions with explanation please

**math**

Whatis the integration of ∫▒〖 ( dx)/(〖sin〗^4 x+〖sin〗^2 x 〖cos〗^2 x+cos^4x )〗

**Math**

What is the exact value of x in the equation 3^(x+2)=5^(7x)?

**Math**

if 20% of m is 80$ of p, then p is x% of m?

**Math**

a person has total assets = 384 860 and total liabilities = 122 110. the mortgage is worth 29 898. calculate the debt to equity ratio. a 35.09 b 31.73 c 284.84 d 46.47

**math**

a rate of 4 centimeters per second is equal to how many meters per hour?

**Math**

Six kids share 5 candy bars equally, what fraction will each kid get? Help

**Math**

Evaluate the expression: 4⋅9+6−3 Evaluate the expression: 53−122+25 39 and -44

**Math**

Six kids share 5 candy bars equally, what fraction will each kid get?

**math**

The dilation D: (x, y) → (0.2x, 0.2y) has been applied to the polygon S(–5, 5), T(–5, 10), U(5, 15). What are the coordinates of the image points? a S'(–1, 1), T'(–1, 2), U'(1, 3) b S'(–4.8, 5.2), T'(–4.8, 10.2), U'(5.2, 15.2) c S'(–5.2, 4.8), T'(–5.2, 9.8), ...

**math**

11. Janet bought a pair of sandals for $120.00. She needs to pay the 7% sales tax. How much will Janet pay in sales tax?

**math**

20% of what number is 12

**Math**

Bob took out a bank loan for 60 000 that must be repaid with regular monthly payments of $1000. The bank charges him an interest rate of 3.0% compounded monthly. How many payments will Bob have to make to pay off the loan? a) 70 b) 59 c) 72 d) 66 I got B (59) is that right?

**Math**

A loan for $2000 is paid back over a period of 5 years. The interest rate is 5% compounded monthly. Determine the monthly payment. A) 37.74 B) 43.90 C) 41.76 D) 42.18

**math**

Mark wants to use a grid to model 2/3 like the grids in questions 1 and 2. Its a 100 box grid . help

**math**

The books for Mathematics, Geography and Science in a school are in the ratio 5:7:8. There is a proposal to increase these books by 40%, 50% and 75% respectively. What will be the ratio of the increased books? #Please anyone who can help me out with the clearly solution#

**math**

On a loan of $2300 a person pays back $310 monthly over 3 years. How much was paid on the loan? A) 8860 B) 1060 C) 930 D) 11160

**Please Help asap: Math**

X is greater than or equal to 3 I'm pretty sure that its D, but i'm not sure 0=open dot @=closed dot A) @-------> 3 5 B) <-------------0 -5 0 3 C) <-------------@ -5 0 3 D) 0-------> 3 5

**Math**

A person wants to buy a rare coin because he believes it will increase in value within a year. He plans to get a loan to buy the coin, at 5.7% compounded monthly. He plans to make to make a single payment of $3500 at the end of 5 years. What is the greatest amount of money ...

**math**

a restaurant has lemonade that is 12% sugar and another that is 7% sugar. How many gallons of each type does the restaurant need to make 20 gallons of a lemonade mixture that is 10% sugar. A.) 12 gallons of 12% and 8 gallons of 7% B.) 10 gallons of 12% and 10 gallons of 7% C...

**Math How do I solve this**

A music store charges $18.50 for a CD plus a 0.5% city tax and a separate 4% state tax. a. How much will you pay for the CD? Round to the nearest cent. b. How many more tax dollars does the state get than the city? Round to the nearest cent. Confused!

**MATH**

Michael spends three hours cleaning his house you spend equal amount of time cleaning each room you spend a half an hour cleaning its room how many rooms does he have left

**Math**

I am a complete idiot when it comes to math. Can someone please help me on the lesson 8:solving equations with fractions Math 6 A unit 6: adding and subtracting fractions Connexus quiz.

**Math**

3 3/15+4 and 2/ I'm terrible at math I need some help on this one 2

**Math**

PLEASE help I need this in by today. My question is, what is 5 and 9/13+ 5 and 9/13. Someone please help I'm so confused. I hate Math!

**Math.**

A human red blood cell is about 0.000008 meters in diameter which of the following represents this number in scientific notation -6 A. 0.8 x10 -6 B . 8.0 x 10 6 C. 0.8 x 10 6 D. 8.0 x 10 MR loya stayed that the circumference of earth at the equator is 24,902.4 miles which ...

**Math**

Which list shows least to greatest A. 60% 2/3 0.75 4/5 B. 60% 0.75 2/3 4/5 C. 4/5 0.75 2/3 60% D. 2/3 4/5 60% 0.75

**Math**

Without using technology, rank these logarithms in order from least to greatest: log₄62,log₆36,log₃10,log₅20. I'm not sure how to do this question because the bases are different. Thanks!

**Math**

A plant grows 3 centimeters in 10 days. How much does it grow per day? Write your answer as a fraction in simplest form. $$The plant grows______ cm a day.

**MATH**

WHAT IS THE VARIANCE OF 32, 41, 25, 62, 71, 35, 37, 53, 44, 29

**Math**

What is the estimate of 3 5/6

**Math**

A hyperbola is represented by the equation x^2/9 - (y - 1)^2 = 1. Identify the asymptotes of the graph. Out of the options I'm given, it's either these two: y = (sqrt5/3) x + 1 and y = -(sqrt5/5) x + 1 y = (sqrt5/3) (x + 1) and y = -(sqrt5/5) (x + 1) The answer I keep coming ...

**Math**

How old am I if 500 reduced by 4 times my age is 278? Write an equation. :)

**Math**

bills weight is 102lbs. this is 10 less than 3 times his little brothers weight. How much does his little brother weigh? write an equation

**Math**

A parabolic microphone used on the sidelines of a professional football game uses a reflective dish 24 inches wide and 6 inches deep. How far from the bottom of the disk should the microphone be placed? a.) 6 in b.) 5.8 in c.) 5.2 in d.) 4 in I tried solving this on my own but...

**math**

Solve the following system of equations: 4x+y–2z=10 2x–y+2z=–9 x+y+z=6

**math**

A rope goes from one building to another. The distance between the buildings is 12m, and the rope is tied at each building at a point 8m and 3m from the ground. Find the length of the rope.

**Math pre algebra**

Australia's population is approximately 2.5×10^7. The area of Australia is 2.95×10^6 square miles. What is the approximate average number of people per square mile in Australia?

**Math**

The fourth term of an arithmetic sequence is less than the fifth term by 3. The seventh term is three times the fifth term. Find the common difference and the first term

**Math**

Find the value of A if (27\8)A+7=(4\9)-3A

**Math**

The gradient of a line perpendicular to the line ny+(2n+3)x=4 is -0.2 .Find the value of n

**math**

Chapter Reference 154 Jesse is driving to a town that is 210 miles away with a speed of 60 miles per hour. If he makes no stops, how long will the trip take?

**math**

The vertices of a triangle are L(1,3), M(4,0), N(-4,1) LO is a median of the triangle. What are the coordinates of point O? Explain.

**Math**

Why can't 3x+2xy+8 be a linear system? Why Can't x^2+y^2=4 be a linear system?

**math**

Find the perimeter of the given triangle. Round your answer to the nearest tenth if necessary. ∆BCH, if ∆CBH ∼ ∆FEH, ADEG is a parallelogram, BH = 4, HE = 7, EF = 25, and HF = 24.

**math**

Write a two-column proof. If FG ⊥ IJ and IG ≅ JG, then FI ≅ FJ

**math**

the tripled product of 6a and b^2. I got 216a^3b^6, but my teacher says that this is wrong. my equation is \(6ab^2)^3 is this wrong?

**math**

On the average, 7 people per hour use an express teller machine situated inside a commercial complex. What is the probability that, from 3:00-4:00pm on Friday, exactly 7 people will use the teller machine?

**Math**

Tan37.5

**Math**

Find the length of the shortest side of triangle ABC drawn given that the perimeter is 22. A=3x+1 B=2x+1 C=x+4

**Math**

A person spends One-fourth of her income for board, one-twelfth for clothes and one-half for other expenses, and saves $10,000. What is her income?

**Math**

Describe the relationship you would expect between the data. Explain. 1. time since a train's departure and the distance to its destination. 2. number of toppings on a pizza and the price of the pizza.

**Math**

ok I got the first parts........I think: 2(5/3+3/4)-4/3 =2(1 2/3+3/4)-4/3 =2 (1 8/12+9/12)-4/3 =2(2 5/12)-4/3 Help plz I'm officially stuck........

**Math**

For a population with a standard deviation of s = 12, a z-score of z = +0.50 corresponds to a score that is above the mean by 6 points. True or False

**Math**

A population with μ = 59 and s = 8 is standardized to create a new distribution with μ = 100 and s = 20. After the transformation, an individual receives a new score of X = 90. The original score for this individual was X = 51. True or False

**Math**

One method for correcting the bias in the standard error is to “pool” the two sample variances using a procedure that allows the bigger sample to carry more weight in determining the final value of the variance. True or false

**Math**

A repeated-measures research study comparing two treatments with a set of 10 scores in each treatment will produce a t statistic with df = 19. True or False

**Math**

A repeated-measures study and an independent-measures study both produce t statistics with df = 20. The independent-measures study used more participants. True or False

**Math**

The term correlation refers to a statistical technique that is used to ____. measure and describe the linear relationship between two variables measure the magnitude of a variable measure the significance of a variable measure the fit of a model

**Math**

The distance between the Y value in the data and the Y value predicted from the regression equation is known as the residual. What is the value for the sum of the squared residuals? SSresidual = r2(SSX) SSresidual = (1 – r2)(SSX) SSresidual = r2(SSY) SSresidual = (1 – ...

**Math**

A set of n = 15 pairs of X and Y scores has SSX = 10, SSY = 40, and SP = 30. What is the slope for the regression equation for predicting Y from X? 10/30 10/40 40/10 30/10

**Math**

A set of X and Y scores has SSX = 20, SSY = 10, and SP = 40. What is the slope for the regression equation? 4.0 2.0 0.25 0.50

**Math Help**

Plssss help mee input Output 1 9 2 12 3 15 Is the relationship linear? Why or why not?

**Math**

I spent $24 on a present for my sister. This was three fourths of all the money I had in my wallet. How much money did I have before I bought the present? I need help

**math**

find the reciprocal of 9/11

**MATH**

The volume of a cylinder with a radius of 2 feet and a height of 4 feet is 50.2 feet^3. The volume of a cylinder with a radius of 4 feet and a height of 8 feet is 401.9 feet^3. The volume of a cylinder with a radius of 6 feet and a height of 12 feet is 1356.5 feet^3. If the ...

**math HELP PLEASE**

Write a word problem that can be represented by the following equation: 4 – x = 12.

**math PLEASE HELP**

26. a. Show that the ratios Start Fraction 10 over 20 End Fraction and Start Fraction 30 over 60 End Fraction form a proportion by finding a common multiplier. b. Show that the ratios in part (a) are equal by writing them in simplest form.

**Math**

A tiling company specializes in multi-colour tile patterns. A small hotel is interested in the patterns below for its square shaped reception area. How many dark coloured tiles will there be if the reception area needs an area of 18 x 18.

**Math**

So I already made a scatter plot for this data and talked about trends and negative or positive correlations but I have no clue what this question is asking This is about average gas prices from 2005-2015 2005 - $2.27 2006 - $2.57 2007 - $2.80 2008 - $3.25 2009 - $2.35 2010...

**Math**

I am a three digit number. My hundreds digit is the square of my ones digit. My tens digit is the product of my hundreds digit and my ones digit. What number(s) could I be?

**Math Help**

The following table shows the price charged by a local courier company to collect and deliver packages. # of packages Cost ($) 1 15 2 17 3 19 What is the cost to have b packages collected and delivered? Extend the pattern to find the cost of 8 packages collected and delivered...

**8th grade math**

why do you think Pythagorean theorem uses squares instead of other similar figures to express the relationship between the lengths of the sides in a right triangle

**math**

(3x^3+ 5x^2– 11x + 3) ÷ (x + 3) – (x + 2)(3x – 5) is the answer -5x+11?

**math please help me :P**

what is 4+6+12+3=^8+?4+5= is this to much of a problem?

**math**

how to solve for 3loga(2x+1)-2loga(2x-1)

**Math**

Sonali complete her homework iny5/6 of an hour and priya in 3/4 of an hour.who was faster?

**Math (check answers)**

1. Write the equation of a line in slope intercept form that is parallel to y = 3x - 2 and passes through the point (-2, 1) y = -3x-5? 2. Write the equation of the line that passes through (2, 1) and is perpendicular to 5x + y = 9. x + 5y = 3?

**Math**

Use the slopes to determine if the line between the points (3, 5) and (-2, 7) is parallel, perpendicular or neither to a line that passes through the points (10,5) and (6, 15) a) Parallel b) Perpendicular c) Neither

**Math (Unit 7) 6th grade**

49, 55, 52, 46, 47, 42, 38 What is the Mean Absolute Deviation(MAD) of this data set?:My answer was 4.28571428571 What is the Mean of this data set?:My answer was 47 What is the distance of each number from the mean?:? <Im having trouble with this one<

**Math PLEASE HELP**

Recall that two angles are complementary if the sum of their measures is 90°. Find the measures of two complementary angles if one angle is five times the other angle.

**Math**

If there are 72 games in a series and each team plays every other team twice, once at home and once away, how many teams are there?

**Math again ;-;**

I think this is the last question I need help on. . .I hope. 5x + 2(x + 6) How do I find the answer? Would I add the x to 5 making it 6x+2+6 and then adding them together to be 6x+8? But then again that is not an option so how would I get the answer?

**Math help please!**

y + 1.2y + 1.2z Someone told me that the answer was 2.2y + 1.2z 1. Is that true? 2. How did the 1.2y turn into 2.2y?

**math**

Show that a function f(n)= 2n^3+n^2+6n+3 always produces a number that is divisible by an odd number greater than 1, for any natural number, n. 2n^3+n^2+6n+3 = n^2(2n+1) + 3(2n+1) = (2n+1)(n^2 + 3) what's next?

**math**

Show that a function f(n)= 2n^3+n^2+6n+3 always produces a number that is divisible by an odd number greater than 1, for any natural number, n.

**Math**

One equation in a system of linear equations has a slope of -3. the other equation has a slope of 4. how many solutions does the system have? explain

**math**

what percent of 126 is 22